/,rekə'lekʃn; ,rɛkə`lɛkʃən/
n
1 (a) [U] ability to recollect; action of recollecting 记忆力; 回忆
*have amazing powers of recollection 有惊人的记忆力
* I have some/no recollection of that day. 那天的事我还记得一些[不记得了].
* lost in quiet recollection of the past 沉浸在对往事的幽思之中
* to the best of my recollection, ie if I remember correctly 就我记忆所及（假若我没记错的话）
* My recollection of events differs from hers. 这些事, 我记得的情况与她的说法不同.
(b) [C usu pl 通常作复数] thing, event, etc recollected 回忆的事物
*vague, clear, distant, etc recollections of childhood 依稀记得的、历历在目的、遥远的...童年往事
* The old letters brought back many happy recollections. 这些旧信使人想起许多愉快的往事.
2 time over which sb's memory goes back 记忆所及的时间
*Such a problem has never arisen within my recollection. 我不记得有过这样的问题.

n formal
[C]
something from the past that you remember
　My earliest recollections are of my mother bending over my cot.
[U]
an act of remembering something
have no recollection (of sth)
(=not remember)
　I have no recollection of how I found my way there in the dark.
to (the best of) my recollection
(=used when you are unsure if you remember correctly)
　To the best of my recollection, she drives a Mercedes.
　Noone, to my recollection, gave a second thought to the risks involved.